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初中数学(苏科版)八年级下册电子课本免费下载

  • 2026-02-15 05:18:51
初中数学(苏科版)八年级下册电子课本免费下载

初中数学（苏科版）

电子课本

   学段：初中

   科目：数学

   年级：八年级

   册次：下册

   版本：苏科版

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  1. CONNECT:[ UseTime:0.001045s ] mysql:host=127.0.0.1;port=3306;dbname=no_yeyulingfeng;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001569s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000721s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000699s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001310s ]
  6. SELECT * FROM `set` [ RunTime:0.000621s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001495s ]
  8. SELECT * FROM `article` WHERE `id` = 468685 LIMIT 1 [ RunTime:0.000944s ]
  9. UPDATE `article` SET `lasttime` = 1771111131 WHERE `id` = 468685 [ RunTime:0.005275s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000675s ]
  11. SELECT * FROM `article` WHERE `id` < 468685 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001149s ]
  12. SELECT * FROM `article` WHERE `id` > 468685 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001079s ]
  13. SELECT * FROM `article` WHERE `id` < 468685 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001524s ]
  14. SELECT * FROM `article` WHERE `id` < 468685 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001809s ]
  15. SELECT * FROM `article` WHERE `id` < 468685 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003122s ]
0.188746s